Jpmorgan Chase Bank, National Association 8-K Other Events

Exhibit 99.01

First USA Credit Card Master Trust

Excess Spread Analysis - June 2006

Series		1996-4			1997-4			1997-8			1998-6
Deal Size	$	602MM		$	602MM		$	939MM		$	964MM
Expected Maturity		8/10/2006			6/17/2007			9/17/2007			8/18/2008
Yield		17.12	%		17.12	%		17.12	%		17.12	%
Less: Coupon		5.48	%		5.55	%		5.50	%		5.50	%
Servicing Fee		1.50	%		1.50	%		1.50	%		1.50	%
Net Credit Losses		3.62	%		3.62	%		3.62	%		3.62	%
Excess Spread:
June-06		6.52	%		6.45	%		6.50	%		6.50	%
May-06		6.24	%		6.25	%		6.31	%		6.29	%
April-06		6.23	%		6.19	%		6.24	%		6.22	%
Three Month Average Excess Spread		6.33	%		6.30	%		6.35	%		6.34	%
Delinquency:
30 to 59 Days		0.98	%		0.98	%		0.98	%		0.98	%
60 to 89 Days		0.67	%		0.67	%		0.67	%		0.67	%
90+ Days		1.56	%		1.56	%		1.56	%		1.56	%
Total		3.21	%		3.21	%		3.21	%		3.21	%
Principal Payment Rate		19.29	%		19.29	%		19.29	%		19.29	%